Will boiling water crack the windscreen?

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Posted by Holly West-Robinson on 08 December 2014

Will boiling water crack the windscreen?" is a common question asked on frosty mornings. No one likes to rush out the door clutching their car keys to find that the windscreen is frozen, and we all want a quick fix, but before you reach for a kettle of boiling water, you may want to think again! 

Won't it just melt the ice away?

Not only can the hot water spill onto the floor and freeze, creating a slip hazard but it is possible for your windscreen to crack as the extreme temperatures meet. The freezing cold window and boiling hot water are not friends, to say the least. As we know, you kind of need a windscreen ;) 

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We also suggest that you avoid the temptation to jump in the front seat and wait for the windscreen wipers and heated window fan to solve the problem. Aside from this method taking a lot longer than you think it may, it can also cause unnecessary wear on both the window wipers and engine.

CD case? That'll do.

Whilst using a CD case may not crack your windscreen, it probably isn't the best solution. The same goes for credit cards and car keys. You could end up scratching the glass - not ideal! 

What do I do!?

If you start to feel the temperature drop and know you have to leave at 7am sharp, don't wait until 6:55am to walk out your front door! Give yourself plenty of time in the morning to clear your frozen windscreen, so you're not tempted to go for a quick fix that could go horribly wrong.

The best way to clear your frozen windscreen is to use de-icer and a scraper, simple right? Some scrapers even come fitted into a warm mitten to make the experience a little cosier!

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You need to make sure you defrost the entire windscreen. The cold temperatures can make it tempting to simply defrost a small circle above the steering wheel but this makes your driving view dangerously restricted.

About the Author

Holly West-Robinson
Holly West-Robinson

Hi I'm Holly and I'm a young driver based in Peterborough! I love tattoos, food, drawing and anything art related, enjoy hanging out with friends and family and making a fool of myself XD I'm a huge lover of music and also a part time DJ in the underground drum and bass scene. I passed my driving test first time when I was 17 years old have been loving life and my new found freedom ever since! I'm definitely one of the adventurous types who's always up for a good old road trip!